30001000009 has 2 divisors, whose sum is σ = 30001000010. Its totient is φ = 30001000008.

The previous prime is 30000999997. The next prime is 30001000031. The reversal of 30001000009 is 90000010003.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28506945600 + 1494054409 = 168840^2 + 38653^2 .

It is a cyclic number.

It is not a de Polignac number, because 30001000009 - 2⁷ = 30000999881 is a prime.

It is not a weakly prime, because it can be changed into another prime (30001000079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15000500004 + 15000500005.

It is an arithmetic number, because the mean of its divisors is an integer number (15000500005).

Almost surely, 2^30001000009 is an apocalyptic number.

It is an amenable number.

30001000009 is a deficient number, since it is larger than the sum of its proper divisors (1).

30001000009 is an equidigital number, since it uses as much as digits as its factorization.

30001000009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 13.

The spelling of 30001000009 in words is "thirty billion, one million, nine", and thus it is an aban number and an uban number.